Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP |
2018-05-18 15:50 |
Kumamoto |
Kumamoto Univ. |
A Post-Wall Waveguide Slot Array Antenna Laminated utilizing Plated Bumps Satoshi Yamaguchi, Yukihiro Tahara, Toru Fukasawa, Naofumi Yoneda (Mitsubishi Electric Corp.) AP2018-35 |
[more] |
AP2018-35 pp.123-128 |
EMCJ |
2015-03-06 15:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
A Technique for Improving Isolation of Devices Using Surface-Mounted Resistors and a Metal Plate Yasuo Morimoto, Takeshi Yuasa (Mitsubishi Electric), Kenji Maeda, Norio Takeuchi (Mitsubishi Electric Engineering), Yukihiro Tahara (Mitsubishi Electric) EMCJ2014-107 |
When RF-devices are enclosed in a large metal case, coupling between a circuit and another circuit via the resonant cavi... [more] |
EMCJ2014-107 pp.29-34 |
MW, ICD |
2015-03-06 10:45 |
Fukui |
University of Fukui |
A Waveguide Bandpass Filter with H-plane Coupled Extracted Cavities Hidenori Yukawa, Kazuyoshi Yamashita, Shuji Nuimura, Tetsu Owada, Yukihiro Tahara (Mitsubishi Ele. Corp.) MW2014-219 ICD2014-132 |
Microwave filters are generally used to separate the transmit and receive signals in the antenna feed systems.Especially... [more] |
MW2014-219 ICD2014-132 pp.95-99 |
MW, ICD |
2015-03-06 11:15 |
Fukui |
University of Fukui |
Reduction of the Phase Deviation for Lumped-element Hybrid Matrix Consists of a Branch-line Hybrid and Rat-race Hybrids Hidenori Ishibashi, Masayuki Hata, Hideki Fushimi, Takeshi Oshima, Yukihiro Tahara, Hiroaki Miyashita (MELCO) MW2014-220 ICD2014-133 |
A hybrid matrix circuit that consists of a 90 degree hybrid and 180 degree hybrids has been proposed as circular interfe... [more] |
MW2014-220 ICD2014-133 pp.101-106 |
MW |
2014-11-20 11:00 |
Nagasaki |
Nagasaki Univ. |
A Directivity Enhancement for Directional Couplers Using Additional Coupled Lines with Reverse-Phase Forward Couplings Hideharu Yoshioka, Akimichi Hirota, Kazuya Yamamoto, Hidenori Ishibashi, Yukihiro Tahara (Mitsubishi Electric) MW2014-126 |
In a coupled-line directional coupler formed on thin multi-layered substrates, it is difficult to match coupled-line cha... [more] |
MW2014-126 pp.17-22 |
AP |
2014-06-12 14:55 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
A Feed Circuit-integrated 4-Element Array Antenna Using Anisotropic Conductive Paste Shimpei Akimoto, Takashi Yanagi, Toru Fukasawa, Hidenori Ishibashi, Yukihiro Tahara, Tetsu Owada, Hiroaki Miyashita (Mitsubishi Electric) AP2014-45 |
A multifunctional antenna typified by an array antenna is composed of each substrate suitable to an antenna and a feed c... [more] |
AP2014-45 pp.29-34 |
MW |
2014-03-04 11:00 |
Ehime |
Ehime University |
Waveguide Loop-type Directional Couplers Using a Coupling Conductor with Protuberances Hidenori Ishibashi, Yukihiro Tahara, Hidenori Yukawa (Mitsubishi Electric), Manabu Kurihara (RSEC), Tetsu Owada, Moriyasu Miyazaki (Mitsubishi Electric) MW2013-199 |
The waveguide loop-type directional coupler is mainly used as power monitor of the waveguide circuits. It consists of a ... [more] |
MW2013-199 pp.13-18 |
MW |
2014-03-04 11:25 |
Ehime |
Ehime University |
A Power Combiner Allowing for the Variable Number of Input Ports Akimichi Hirota, Yukihiro Tahara, Tetsu Owada, Yoshinori Yasunaga, Yuji Sakai, Moriyasu Miyazaki (Mitsubishi Electric) MW2013-200 |
A high power transmitter frequently consist of two or more amplifiers, and outputs of the amplifiers are combined by a p... [more] |
MW2013-200 pp.19-22 |
MW |
2013-03-07 10:10 |
Hiroshima |
Hiroshima Univ. |
A Power Divider with Insensitivity to Resistance Values Using a Parallely-loaded Resistor Pair Akimichi Hirota, Yukihiro Tahara, Hidenori Yukawa, Tetsu Owada, Yoshitsugi Yamaguchi, Moriyasu Miyazaki (Mitsubishi Electric) MW2012-170 |
In realizing an isolation resistor of the Wilkinson power divider by a resistance film, characteristics of the Wilkinson... [more] |
MW2012-170 pp.59-62 |
MW |
2011-11-25 09:30 |
Okinawa |
|
A High Directivity Broadband Coupler Using aλ/4 Micro-Strip Coupled Lines Coupler with Partially Reducing the Line Width Motomi Abe, Yukihiro Tahara, Tetsu Owada (MitsubishiElectric) MW2011-117 |
A new quarter-wavelength microstrip coupled lines coupler (MSCL) with partially narrowing the line width and slotting th... [more] |
MW2011-117 pp.25-29 |
MW, ED |
2011-01-13 14:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Broadside Couplers using Offset-Coupled Lines with Adjacent Ground Through Holes in Multi-layered Substrate Takeshi Yuasa, Yukihiro Tahara, Tetsu Owada, Naofumi Yoneda (Mitsubishi Electric Corp.) ED2010-177 MW2010-137 |
[more] |
ED2010-177 MW2010-137 pp.13-18 |
AP |
2010-12-17 10:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Inclined slot array antennas on a rectangular coaxial line Satoshi Yamaguchi, Yukihiro Tahara, Toru Takahashi, Tamotsu Nishino, Yoshihiko Konishi (Mitsubishi Electric Corp.) AP2010-120 |
[more] |
AP2010-120 pp.13-18 |
MW |
2010-11-25 15:20 |
Okinawa |
Tiruru |
A Wide Band Forward Coupler with A balanced Composite Right-/Left-Handed Transmission Line Akimichi Hirota, Yukihiro Tahara, Naofumi Yoneda (Mitsubishi Electric Corp.) MW2010-110 |
Various coupled-line backward couplers using composite right-/left-handed transmission lines (CRLH TLs) have been previo... [more] |
MW2010-110 pp.27-31 |
EMT, OPE, MW, IEE-EMT [detail] |
2010-07-30 14:15 |
Hokkaido |
Hokkaido Univ. |
A compact integrated 8x8 hybrid matrix using novel double-layer structure with coupled-lines hybrids Motomi Abe, Yukihiro Tahara, Tetsu Owada, Takeshi Yuasa, Hideyuki Oh-hashi, Naofumi Yoneda (Mitsubishi Electric) MW2010-65 OPE2010-50 |
[more] |
MW2010-65 OPE2010-50 pp.223-228 |
MW |
2009-12-18 11:00 |
Ishikawa |
Kanazawa Inst. of Tech. |
A Tandem 3-dB Hybrid Coupler Using Coupled Lines With Series Capacitance Motomi Abe, Yukihiro Tahara, Naofumi Yoneda (Mitsubishi Electric Corporation) MW2009-154 |
A novel tandem 3-dB hybrid coupler using coupled lines with series capacitance is presented. The desired coupling hybrid... [more] |
MW2009-154 pp.63-68 |
MW |
2009-11-20 11:45 |
Kagoshima |
Tanegashima |
A Design Method of A Composite Right-/Left-Handed Transmission Line Forward Coupler with Shared Short Stubs Akimichi Hirota, Yukihiro Tahara, Naofumi Yoneda (Mitsubishi Electric Corp.) MW2009-141 |
Various coupled-line backward couplers using composite right-/left-handed transmission lines (CRLH TLs) have been previo... [more] |
MW2009-141 pp.75-80 |
EMCJ, MW, IEE-MAG |
2009-10-22 14:40 |
Iwate |
Iwate Univ. |
A 2-section Wilkinson power divider with intersectional capacitive elements for compensating the length of resistive films Takeshi Yuasa, Koichi Shigenaga, Yukihiro Tahara, Tetsu Owada, Naofumi Yoneda (Mitsubishi Electric Corp.) EMCJ2009-49 MW2009-98 |
A multi-section Wilkinson power divider is used as broadband power dividers/combiners for many microwave applications. A... [more] |
EMCJ2009-49 MW2009-98 pp.31-35 |
MW |
2009-06-30 14:20 |
Aichi |
Nagoya Institute of Technology |
A Branch-Line Quadrature Hybrid with Multiple Spurious Suppressions Yukihiro Tahara, Tomoya Matsuda, Naofumi Yoneda (Mitsubishi Electric Corp.) MW2009-25 |
Branch-line quadrature hybrids are widely used for various microwave applications such as antenna feed networks, power a... [more] |
MW2009-25 pp.37-40 |
MW |
2008-12-12 16:40 |
Toyama |
Toyama-Univ. Gofuku-camp. |
A millimeter wave multi-layered substrate-embedded termination tolerant to resistance variations of resistive film Takeshi Yuasa, Yukihiro Tahara, Naofumi Yoneda, Hideyuki Oh-hashi (Mitsubishi Electric Electric Co.) MW2008-160 |
[more] |
MW2008-160 pp.83-86 |
MW |
2008-12-12 17:05 |
Toyama |
Toyama-Univ. Gofuku-camp. |
A Millimeter-wave Reduced-sized Power Divider with Shunt Capacitors Embedded in Multilayered Substrates Yukihiro Tahara, Takeshi Yuasa (Mitsubishi Electric.Co.), Kenji Nagase (Mitsubishi Electric Engineering. Co Ltd.), Naofumi Yoneda (Mitsubishi Electric.Co.) MW2008-161 |
Various reduced-sized Wilkinson power dividers loaded with capacitors or stubs have been reported. In this report, a com... [more] |
MW2008-161 pp.87-90 |